Handbook for laboratory use, comprising product specifications and spare parts lists of C.A.V. – Bosch and Robert Bosch A.-G. relating to fuel pumps and filters. The specifications and parts lists are for fuel injection pumps, fuel filters, nozzles and nozzle holders, valves etc. Some are in German. The handboo bears the name 'Mr Garrod D.E.D. on the front cover and is prefaced by a sheet dated January 1935 giving 'Characteristics of road transport high speed C.I. engines [in] Great Britain'